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Category: Concept

2×2 RC Sequence Dec 2020

  • khoitsma
  • Concept, General
  • 0 Comments

[ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) […]

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Best of Seven Outcome Probability Dec 2020

  • khoitsma
  • Concept, Mathematics, Plotly, Python
  • 0 Comments

Static Plots Using PLOTLY live plots Each chart series can be toggled off and on by clicking its legend entry. On a desktop device, reset the chart to full scale by reloading the web page. On a mobile device, reset the chart to full scale by double clicking. Team A Winning Outcomes The best of […]

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From Punch Cards to Flash Memory Dec 2020

  • khoitsma
  • Concept, Hardware
  • 0 Comments
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Multi-Dimension Data Table using PyXLL (with video) Dec 2020

  • khoitsma
  • Concept, Excel, Python, PyXLL
  • 0 Comments

MD Data Table in Action — Video 3 inputs; 2 outputs Bonus — Video Merged my data table values into Excel’s data table 3D Hypotenuse Screenshots Independent Variables — Input qvar_0 (10 items) qvar_1 ( 7 items) qvar_2 ( 4 items) Dependent Variables — Results Dependent Variables — Details (only for clarity) Short Tabulation Long […]

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Excel — Use dynamic arrays and conditional formatting to create a selection dependent menu Oct 2020

  • khoitsma
  • Concept, Excel
  • 0 Comments

Google Search dynamic arrays conditional formatting TRY THIS The MP4 video was recorded on an iPad and published using Camtasia 2020. The data range is conditionally formatted to match the selection

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Gauss Profile Jun 2020

  • khoitsma
  • Concept, Desmos Calculator, Mathematics
  • Gaussian Desmos Calculator
  • 0 Comments

From the wiki https://en.wikipedia.org/wiki/Gaussian_function (go to wiki)

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The Inexpensive Ventilator — Are We Building These ?

  • khoitsma
  • Concept, General
  • Forrest Bird, history, inexpensive, ventilator
  • 0 Comments

Percussionaire — Bird Respirator History Wiki — Ventilator

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The Lincoln Index — Software Bugs Jan 2020

  • khoitsma
  • Concept, Mathematics
  • 0 Comments

John, Thanks for the presentation. https://www.johndcook.com/blog/2010/07/13/lincoln-index/ How many errors are left to find?

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Three Blue One Brown Feb 2019

  • khoitsma
  • Concept, Mathematics
  • 0 Comments

Here is a beautiful website by Grant Sanderson.  3blue1brown So many exciting insightful mathematics presentations. The craft and artistry are as impressive as the mathematical concepts. Take a look — even if you think you know the material — you will see a few new gems (I bet).  

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photomath Jun 2018

  • khoitsma
  • Concept, General, Software
  • 0 Comments

Take a photo of a handwritten math problem and get the answer from your smartphone https://photomath.net/en/  

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